312344040242343 has 4 divisors (see below), whose sum is σ = 416458720323128. Its totient is φ = 208229360161560.

The previous prime is 312344040242341. The next prime is 312344040242347. The reversal of 312344040242343 is 343242040443213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 312344040242343 - 2¹ = 312344040242341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312344040242341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52057340040388 + ... + 52057340040393.

It is an arithmetic number, because the mean of its divisors is an integer number (104114680080782).

Almost surely, 2^{312344040242343} is an apocalyptic number.

312344040242343 is a deficient number, since it is larger than the sum of its proper divisors (104114680080785).

312344040242343 is a wasteful number, since it uses less digits than its factorization.

312344040242343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104114680080784.

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 312344040242343 its reverse (343242040443213), we get a palindrome (655586080685556).

The spelling of 312344040242343 in words is "three hundred twelve trillion, three hundred forty-four billion, forty million, two hundred forty-two thousand, three hundred forty-three".